diff --git a/lib/data/services/ble_manager.dart b/lib/data/services/ble_manager.dart
index ae6bedbb1..f367f466b 100644
--- a/lib/data/services/ble_manager.dart
+++ b/lib/data/services/ble_manager.dart
@@ -1156,6 +1156,11 @@ class BleManager extends GetxService {
     List<String>? uuids,
   }) async {
     try {
+      // 在注册新设备前先清除旧设备信息
+      if (macAddress != null && macAddress != currentDeviceAddress) {
+        clearDeviceInfo(); // 清除上一个设备的信息
+      }
+
       // 保存设备地址信息
       if (macAddress != null) {
         currentDeviceAddress = macAddress;